dockyard的复数形式怎么拼写？

A short blast on the ship's siren warned the dockyard staff ashore.这艘船的短笛声警告修船所的员工上岸.Please show me the Classification Certificate and the dockyard report.请给我看看船级证书和船厂报告.Before long ship sank, misfortune of on this ...

dockyard的音标：dockyard的英式发音音标为：['dɒkjɑ:d]dockyard的美式发音音标为：['dɑkjɑrd]...

n.造船所，修船所...